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Secure Authentication Certificate renewal in VCS / SFWHA 5.1 on Windows after expiry

We have a 8 node Windows 2003 x64 cluster which is running VCS SFWHA 5.1 SP1 which was built 8 years and 2 weeks ago.

Secure Authentication is no longer working - after investigating, we believe this is because the certificate lifespan is 8 years.

To workaround this we have removed SecureClus authentication and reverted to local username as per article ID 100017968

Is there a documented way to fix this? If we simply enable Secure Authentication via the Cluster Config Wizard will that be enough? Do we need to make each node a Root Broker as well as an Authentication Broker? Do we need to evict a node and add it back in?

Additionally, we have another identical 5.1 MP1 cluster which is over 7 years old so will see the problem soon. Are there any other steps that we can use to renew the certificate in advance rather than fix it after expiry?

 

Thanks,


Chris